$OpenBSD: patch-erts_lib_src_Makefile_in,v 1.1 2015/06/23 16:43:38 jasper Exp $
--- erts/lib_src/Makefile.in.orig	Thu Jan 23 17:47:46 2014
+++ erts/lib_src/Makefile.in	Sun Dec 28 14:40:27 2014
@@ -38,7 +38,7 @@ INSTALL_PROGRAM=@INSTALL_PROGRAM@
 ERLANG_OSTYPE=@ERLANG_OSTYPE@
 
 OMIT_FP=false
-CFLAGS=$(subst O2,O3, @CFLAGS@)
+CFLAGS=@CFLAGS@
 
 ifeq ($(TYPE),debug)
 CFLAGS=@DEBUG_CFLAGS@ -DDEBUG
